Magnetism and Magnetic Materials - 1973, Part 2

ABSTRACT alloys anisotropy annealing antiferromagnetic Appl applied field approximately atom axis band behavior c-axis calculated cobalt coercive force coil compounds constant correlation critical Curie temperature curve decrease demagnetizing density direction domain walls effect electron energy equation exchange experimental ferromagnetic film fixed point frequency function Hamiltonian heat Heisenberg impurity increase interaction ions Ising model K₁ lattice linear linewidth magnetic field magnetic moment magnetic properties magnetometer magnetostatic magnetostriction magnon material measurements metal mode neutron observed obtained parameter particle phase phase transition phonon Phys plane pulse range rare earth region renormalization resonance room temperature sample saturation saturation magnetization scaling scattering shown in Fig shows signal single crystal spectra spin wave spin-wave structure substrate surface susceptibility TbFe2 temperature dependence theory thermal tion transition tricritical tricritical point values width zero